20609474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11437}}^1$

素因数の和:11509

約数の個数: 16

約数和(自身を含む): 33353208

約数和(自身を除く): 12743734

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11437, 22874, 194429, 388858, 606161, 1212322, 10304737, 20609474]

約数ペア:

[(1, 20609474), (2, 10304737), (17, 1212322), (34, 606161), (53, 388858), (106, 194429), (901, 22874), (1802, 11437)]